`1.` If he didn't drive carelessly, his mother wouldn't worry about him.
Vì câu trước ở thì hiện tại đơn `->` viết lại là câu điều kiện loại II
Cấu trúc: if + S + V(quá khứ đơn), S + would + Vnd
`2.` The witnesses reported that he had broken into that house with a gun the previous night.
Câu tường thuật: S + told/ asked/... + S + V(lùi thì)
`3.` If only I had regerted going to the cinema yesterday.
Cấu trúc: if only + S + V(quá khứ hoàn thành)
`4.` Will asked Louisa if she had ever tried Cappuccino before.
Câu tường thuật với Yes/No questions:
S + told/ asked/... + if/whenever + S + V(lùi thì)
`5.` Although the job pays well, he is not satisfied with his life.
Although + S + V, S + V